211232956

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{167}}^1$

素因数の和:307

約数の個数: 96

約数和(自身を含む): 457228800

約数和(自身を除く): 245995844

約数列:

[1, 2, 4, 11, 17, 19, 22, 34, 38, 44, 68, 76, 89, 167, 178, 187, 209, 323, 334, 356, 374, 418, 646, 668, 748, 836, 979, 1292, 1513, 1691, 1837, 1958, 2839, 3026, 3173, 3382, 3553, 3674, 3916, 5678, 6052, 6346, 6764, 7106, 7348, 11356, 12692, 14212, 14863, 16643, 18601, 28747, 29726, 31229, 33286, 34903, 37202, 53941, 57494, 59452, 62458, 66572, 69806, 74404, 107882, 114988, 124916, 139612, 163493, 215764, 252671, 282397, 316217, 326986, 505342, 564794, 593351, 632434, 653972, 1010684, 1129588, 1186702, 1264868, 2373404, 2779381, 3106367, 4800749, 5558762, 6212734, 9601498, 11117524, 12425468, 19202996, 52808239, 105616478, 211232956]

約数ペア:

[(1, 211232956), (2, 105616478), (4, 52808239), (11, 19202996), (17, 12425468), (19, 11117524), (22, 9601498), (34, 6212734), (38, 5558762), (44, 4800749), (68, 3106367), (76, 2779381), (89, 2373404), (167, 1264868), (178, 1186702), (187, 1129588), (209, 1010684), (323, 653972), (334, 632434), (356, 593351), (374, 564794), (418, 505342), (646, 326986), (668, 316217), (748, 282397), (836, 252671), (979, 215764), (1292, 163493), (1513, 139612), (1691, 124916), (1837, 114988), (1958, 107882), (2839, 74404), (3026, 69806), (3173, 66572), (3382, 62458), (3553, 59452), (3674, 57494), (3916, 53941), (5678, 37202), (6052, 34903), (6346, 33286), (6764, 31229), (7106, 29726), (7348, 28747), (11356, 18601), (12692, 16643), (14212, 14863)]